DE102021106875B4 - Copper-silver-gold alloy - Google Patents

Abstract

Copper-silver-gold alloy for an electrical, electronic and/or electrotechnical component for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, the alloy being based on the total weight of the Alloy, ≥ 99.70 wt.% to ≤ 99.98 wt.% copper, ≥ 0.01 wt.% to ≤ 0.20 wt.% silver and ≥ 0.01 wt.% to ≤ 0.10% by weight of gold and the mass fraction of silver is higher than the mass fraction of gold.

Description

The invention relates to a copper-silver-gold alloy for an electrical, electronic and/or electrotechnical component for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction. The invention further relates to the use of the aforementioned alloy of an electrical, electronic and/or electrotechnical component and/or in a device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction. The invention further relates to an electrical, electronic and/or electrotechnical component and/or device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, comprising the aforementioned alloy. Finally, the invention relates to an electrical, electronic and/or electrotechnical component and/or electrical, electronic and/or electrotechnical components with the aforementioned copper-silver-gold alloy.

In devices for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or transmission, for example for music playback, recording and/or processing, for example in loudspeakers, amplifiers, sound signal sources, microphones, pickups , for example guitar pick-ups, mixing consoles and cables and/or components for these, the composition of metals and metal alloys used therein, for example in an electrical, electronic and/or electrotechnical component, can have an influence on the timbre of the output received and/or processed clay.

The JP H04-52239 A relates to an alloy with high transmitting properties and a connector using this for connecting audio-video equipment.

However, the metals and alloys known in the prior art are not yet optimally formed. By using pure copper in electrical, electronic and/or electrotechnical components in such devices, a warm timbre can be achieved, but the timbre that can be achieved thereby has no transparency. By using pure silver in electrical, electronic and/or electrotechnical components in such devices, a timbre with a high level of transparency can be achieved, but the timbre that can be achieved in this way is also cool.

However, in some areas of application, for example to achieve a specific sound impression and/or in the reproduction, recording and/or processing of sound, such as music and/or speech, it may be desirable to have a timbre with both a high level of warmth and a certain level of warmth To achieve radiance and elasticity, which is achieved by the metals and alloys known in the prior art, especially when used in an electrical, electronic and / or electrotechnical component for sound reproduction and / or recording and / or for sound signal processing, output, reception and/or - management, for example for music and/or voice playback, recording and/or processing, has not been possible to a sufficient extent so far.

The invention is therefore based on the object of designing and further developing the alloy mentioned at the beginning, the use mentioned at the beginning and the component or the component and / or device mentioned at the beginning in such a way that the alloy when the alloy is used in an electrical, electronic and/or electrical technical component or in a corresponding component and/or in a device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or transmission, in particular for music and/or speech Playback, recording and/or processing, which enables the achievement of a timbre with both a high level of warmth and a certain radiance and elasticity.

The object on which the invention is based is for the copper-silver-gold alloy with the features of patent claim 1, the use with the features of patent claim 6 and the corresponding component or the corresponding component and / or device with the features of patent claim 10 or patent claim 14 solved.

The copper-silver-gold alloy includes, based on the total weight of the alloy,
≥ 99.70% by weight to ≤ 99.98% by weight of copper,
≥ 0.01% by weight to ≤ 0.20% by weight of silver and
≥ 0.01% by weight to ≤ 0.10% by weight gold,
where the mass fraction of silver is higher than the mass fraction of gold.

In particular, the alloy can be used for an electrical, electronic and/or electrotechnical component for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, for example for music and/or speech reproduction. recording and / or processing, be designed or used, in particular the corresponding electrical, electronic and / or electrotechnical component can be at least partially made from this alloy, in particular an electrical line, a conductor track or a connection element made from this alloy. In particular, the alloy is electrically conductive and can therefore itself be used or used as an electrical component and/or in particular as a component of an electronic and/or electrotechnical component and/or device.

Such a composition of the alloy can advantageously, in particular when the alloy is used in an electrical, electronic and/or electrotechnical component for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, for example for music and/or speech playback, recording and/or processing, a timbre can be achieved that is both warm and has a certain radiance and elasticity.

In the sense of the invention, the term “comprise” in connection with the alloy composition can be understood in particular to mean that the alloy can contain other elements in addition to the specified elements.

The term “formed” in the sense of the invention in connection with the alloy composition can be understood in particular to mean that, in addition to the specified elements, the alloy also contains small proportions of other elements, for example of ≤ 0.50% by weight, in particular each other Element, may contain.

In the sense of the invention, the term “exist” in connection with the alloy composition can be understood in particular to mean that, in addition to the specified elements, the alloy also contains traces of other elements in the usual amounts for impurities in alloys, for example in the mass-related ppm range, for example <0.0050% by weight, for example <0.0040% by weight, for example <0.0030% by weight, in particular for each other element.

The alloy can, for example, contain ≥ 99.70% by weight or ≥ 99.75% by weight or ≥ 99.80% by weight or ≥ 99.85% by weight of copper, based on the total weight of the alloy. to ≤ 99.98% by weight or ≤ 99.97% by weight or ≤ 99.96% by weight or ≤ 99.95% by weight or ≤ 99.94% by weight or ≤ 99.93 % by weight or ≤99.92% by weight or ≤99.91% by weight or ≤99.90% by weight.

The alloy can contain, for example, ≥ 0.01% by weight or ≥ 0.02% by weight or ≥ 0.03% by weight or ≥ 0.04% by weight of silver, based on the total weight of the alloy. or ≥ 0.05% by weight or ≥ 0.06% by weight to ≤ 0.20% by weight or ≤ 0.10% by weight or ≤ 0.09% by weight or ≤ 0.08 % by weight.

The alloy can contain, for example, ≥ 0.01% by weight or ≥ 0.02% by weight to ≤ 0.10% by weight or ≤ 0.09% by weight of gold, based on the total weight of the alloy. or ≤ 0.08% by weight or ≤ 0.07% by weight or ≤ 0.06% by weight or ≤ 0.05% by weight or ≤ 0.04% by weight.

• - ≥ 99,70 Gew.-%, beispielsweise ≥ 99,75 Gew.-% oder ≥ 99,80 Gew.-%, bis ≤ 99,98 Gew.-%, beispielsweise bis ≤ 99,97 Gew.-% oder ≤ 99,96 Gew.-% oder ≤ 99,95 Gew.-%, Kupfer,
• - ≥ 0,01 Gew.-%, beispielsweise ≥ 0,02 Gew.-% oder ≥ 0,03 Gew.-%, bis ≤ 0,20 Gew.-% Silber und
• - ≥ 0,01 Gew.-% bis ≤ 0,10 Gew.-%, beispielsweise bis ≤ 0,09 Gew.-% oder ≤ 0,08 Gew.-% oder ≤ 0,07 Gew.-% oder ≤ 0,06 Gew.-%, Gold.

In one embodiment, the alloy comprises, based on the total weight of the alloy,

• - ≥ 99.70% by weight, for example ≥ 99.75% by weight or ≥ 99.80% by weight, to ≤ 99.98% by weight, for example to ≤ 99.97% by weight or ≤ 99.96% by weight or ≤ 99.95% by weight, copper,
• - ≥ 0.01% by weight, for example ≥ 0.02% by weight or ≥ 0.03% by weight, to ≤ 0.20% by weight of silver and
• - ≥ 0.01% by weight to ≤ 0.10% by weight, for example up to ≤ 0.09% by weight or ≤ 0.08% by weight or ≤ 0.07% by weight or ≤ 0 .06% by weight, gold.

Such an alloy composition has proven to be advantageous in achieving a warm, radiant and elastic tone.

• - ≥ 99,70 Gew.-%, beispielsweise ≥ 99,75 Gew.-% oder ≥ 99,80 Gew.-%, bis ≤ 99,98 Gew.-%, beispielsweise bis ≤ 99,97 Gew.-% oder ≤ 99,96 Gew.-% oder ≤ 99,95 Gew.-%, Kupfer,
• - ≥ 0,01 Gew.-%, beispielsweise ≥ 0,02 Gew.-% oder ≥ 0,03 Gew.-%, bis ≤ 0,20 Gew.-% Silber und
• - ≥ 0,01 Gew.-% bis ≤ 0,10 Gew.-%, beispielsweise bis ≤ 0,09 Gew.-% oder ≤ 0,08 Gew.-% oder ≤ 0,07 Gew.-% oder ≤ 0,06 Gew.-%, Gold

ausgebildet sein beziehungsweise gegebenenfalls sogar daraus bestehen. If necessary, the alloy in this embodiment, based on the total weight of the alloy

• - ≥ 99.70% by weight, for example ≥ 99.75% by weight or ≥ 99.80% by weight, to ≤ 99.98% by weight, for example to ≤ 99.97% by weight or ≤ 99.96% by weight or ≤ 99.95% by weight, copper,
• - ≥ 0.01% by weight, for example ≥ 0.02% by weight or ≥ 0.03% by weight, to ≤ 0.20% by weight of silver and
• - ≥ 0.01% by weight to ≤ 0.10% by weight, for example up to ≤ 0.09% by weight or ≤ 0.08% by weight or ≤ 0.07% by weight or ≤ 0 .06% by weight, gold

be designed or possibly even consist of it.

• - ≥ 99,85 Gew.-% bis ≤ 99,95 Gew.-%, beispielsweise bis ≤ 99,94 Gew.-% oder ≤ 99,93 Gew.- % oder ≤ 99,92 Gew.-% oder ≤ 99,91 Gew.-% oder ≤ 99,90 Gew.-%, Kupfer,
• - ≥ 0,04 Gew.-%, beispielsweise ≥ 0,05 Gew.-% oder ≥ 0,06 Gew.-%, bis ≤ 0,10 Gew.-%, beispielsweise bis ≤ 0,09 Gew.-% oder ≤ 0,08 Gew.-%, Silber und
• - ≥ 0,01 Gew.-%, beispielweise ≥ 0,02 Gew.-%, bis ≤ 0,05 Gew.-%, beispielsweise bis ≤ 0,04 Gew.-%, Gold.

In a further preferred embodiment, the alloy comprises, based on the total weight of the alloy,

• - ≥ 99.85% by weight to ≤ 99.95% by weight, for example up to ≤ 99.94% by weight or ≤ 99.93% by weight or ≤ 99.92% by weight or ≤ 99 .91% by weight or ≤ 99.90% by weight, copper,
• - ≥ 0.04% by weight, for example ≥ 0.05% by weight or ≥ 0.06% by weight, to ≤ 0.10% by weight, for example to ≤ 0.09% by weight or ≤ 0.08% by weight, silver and
• - ≥ 0.01% by weight, for example ≥ 0.02% by weight, to ≤ 0.05% by weight, for example up to ≤ 0.04% by weight, gold.

Such an alloy composition has proven to be particularly advantageous for achieving a warm, radiant and elastic tone.

• - ≥ 99,85 Gew.-% bis ≤ 99,95 Gew.-%, beispielsweise bis ≤ 99,94 Gew.-% oder ≤ 99,93 Gew.- % oder ≤ 99,92 Gew.-% oder ≤ 99,91 Gew.-% oder ≤ 99,90 Gew.-%, Kupfer,
• - ≥ 0,04 Gew.-%, beispielsweise ≥ 0,05 Gew.-% oder ≥ 0,06 Gew.-%, bis ≤ 0,10 Gew.-%, beispielsweise bis ≤ 0,09 Gew.-% oder ≤ 0,08 Gew.-%, Silber und
• - ≥ 0,01 Gew.-%, beispielweise ≥ 0,02 Gew.-%, bis ≤ 0,05 Gew.-%, beispielsweise bis ≤ 0,04 Gew.-%, Gold

ausgebildet sein beziehungsweise gegebenenfalls sogar daraus bestehen.If necessary, the alloy in this embodiment, based on the total weight of the alloy

• - ≥ 99.85% by weight to ≤ 99.95% by weight, for example up to ≤ 99.94% by weight or ≤ 99.93% by weight or ≤ 99.92% by weight or ≤ 99 .91% by weight or ≤ 99.90% by weight, copper,
• - ≥ 0.04% by weight, for example ≥ 0.05% by weight or ≥ 0.06% by weight, to ≤ 0.10% by weight, for example to ≤ 0.09% by weight or ≤ 0.08% by weight, silver and
• - ≥ 0.01% by weight, for example ≥ 0.02% by weight, to ≤ 0.05% by weight, for example up to ≤ 0.04% by weight, gold

be designed or possibly even consist of it.

For example, the alloy can comprise 99.90% by weight of copper, 0.07% by weight of silver and 0.03% by weight of gold or be formed therefrom or optionally consist of it.

The mass fraction of silver is higher than the mass fraction of gold. This has proven to be beneficial in achieving a warm, radiant and elastic timbre.

In a further embodiment, the mass fraction of silver is at least twice as high as the mass fraction of gold.

This has proven to be particularly beneficial for achieving a warm, radiant and elastic timbre.

In a further embodiment, the sum of the mass fraction of silver and the mass fraction of gold, based on the total weight of the alloy, is ≤ 1.00% by weight, for example ≤ 0.50% by weight, for example ≤ 0.20% by weight .-%. For example, the sum of the mass fraction of silver and the mass fraction of gold, based on the total weight of the alloy, can be ≥ 0.02% by weight to ≤ 1.00% by weight, in particular ≥ 0.02% by weight to ≤ 0.50% by weight, for example ≥ 0.02% by weight to ≤ 0.30% by weight or ≤ 0.20% by weight, for example ≥ 0.05% by weight to ≤ 0, Be 15% by weight.

In this way, the width of the timbre can be advantageously increased and has also proven to be particularly advantageous for achieving a warm, radiant and elastic timbre.

With regard to further advantages and further technical features of the alloy according to the invention, reference is made to the explanations in connection with the use, component and/or device according to the invention as well as to the description of the figures and the sound analysis.

A further subject is the use of an alloy according to the invention in an electrical, electronic and/or electrotechnical component and/or in a device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, for example for music and/or voice playback, recording and/or processing, especially in an audio playback system.

In one embodiment of this, the electrical, electronic and/or electrotechnical component is an inductive electronic component, in particular a coil, in particular a voice coil, and/or a capacitive electronic component, in particular a capacitor, and/or a printed circuit board (PCB)) and/or a switch, in particular a frequency switch, for example a circuit board of a frequency switch, and/or an ohmic resistor and/or a switch and/or a transformer, for example an audio and/or voltage transformer, and/or a solder and/or an electrical line, in particular an internal cabling or an external cabling or a cable, in particular a loudspeaker cable and/or a power cable, or a conductor track of a printed circuit board and/or a wire and/or a connection element, for example for connecting a coil and /or a capacitor and/or for connecting a circuit board and/or a switch, such as a crossover, and/or for connecting an ohmic resistor and/or a switch and/or for connecting a transformer, for example an audio and/or Voltage transformer, and/or a loudspeaker and/or for connecting an amplifier and/or a sound signal source and/or a microphone and/or a pickup (pick-up), in particular for an instrument, for example a guitar, and/or for connecting a mixer, for example a terminal, for example a loudspeaker terminal and/or an amplifier terminal, and/or a terminal and/or a plug and/or a socket and/or a strand and/or a flag.

In a further embodiment of this, the electrical, electronic and/or electrotechnical component is a component of a loudspeaker and/or an amplifier and/or a sound signal source and/or a microphone and/or a pickup (pick-up), in particular for an instrument, for example for a guitar, and/or a mixing console and/or the electrical, electronic and/or electrotechnical device is a loudspeaker and/or an amplifier and/or a sound signal source and/or a microphone and/or a pickup (pick-up) , in particular for an instrument, for example a guitar, and/or a mixer.

With regard to the advantages and further technical features of the use according to the invention, reference is made to the explanations in connection with the alloy, components and/or device according to the invention as well as to the description of the figures and the sound analysis.

In addition, the invention relates to an electrical, electronic and/or electrotechnical component and/or device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or transmission, for example for music and/or speech -Playback, recording and/or processing, which comprises an alloy according to the invention, in particular an audio playback system.

In one embodiment of this, the electrical, electronic and/or electrotechnical component is an inductive electronic component, in particular a coil, in particular a voice coil, and/or a capacitive electronic component, in particular a capacitor, and/or a printed circuit board (PCB)) and/or a switch, in particular a frequency switch, for example a circuit board of a frequency switch, and/or an ohmic resistor and/or a switch and/or a transformer, for example an audio and/or voltage transformer, and/or a solder and/or an electrical line, in particular an internal cabling or an external cabling or a cable, in particular a loudspeaker cable and/or a power cable, or a conductor track of a printed circuit board and/or a wire and/or a connection element, for example for connecting a coil and /or a capacitor and/or for connecting a circuit board and/or a switch, such as a crossover, and/or for connecting an ohmic resistor and/or a switch and/or for connecting a transformer, for example an audio and/or Voltage transformer, and/or for connecting a loudspeaker, and/or for connecting an amplifier and/or an audio signal source and/or a microphone and/or a pickup (pick-up), in particular for a Instrument, for example for a guitar, and/or a mixing console, for example a terminal, for example a loudspeaker terminal and/or an amplifier terminal, and/or a terminal and/or a plug and/or a socket and/or a stranded wire and/or or a flag.

In a further embodiment of this, the electrical, electronic and/or electrotechnical component is a component of a loudspeaker, and/or an amplifier and/or a sound signal source and/or a microphone and/or a pickup (pick-up), in particular for an instrument , for example a guitar, and / or a mixing console and / or the electrical, electronic and / or electrotechnical device is a loudspeaker, and / or an amplifier and / or a sound signal source and / or a microphone and / or a pickup (pick-up ), especially for an instrument, for example a guitar, and/or a mixer.

With regard to the advantages and further technical features of the components according to the invention or the component and/or device according to the invention, reference is made to the explanations in connection with the alloy according to the invention and use as well as to the description of the figures and the sound analysis.

• 1 in einer schematischen Darstellung ein Tonwiedergabesystem bzw. ein Audio-Wiedergabesystem mit einem Lautsprecher, einem Verstärker und einer Tonsignalquelle und veranschaulicht eine Vielzahl von Einsatzmöglichkeiten der erfindungsgemäßen Legierung gemäß einer Vielzahl von unterschiedlichen, möglichen Ausführungsformen einer erfindungsgemäßen jeweiligen Komponente und/oder Vorrichtung.

There are now a variety of possibilities for advantageously designing and developing the alloy according to the invention, the use according to the invention and the component according to the invention or the component and/or device according to the invention. For this purpose, reference may first be made to the patent claims subordinate to patent claims 1, 6, 10 and 14. Preferred embodiments are explained in more detail below using the drawing and the associated description as well as the results of timbre analyzes on different metals and metal alloys. In the drawing shows:

• 1 in a schematic representation a sound reproduction system or an audio reproduction system with a loudspeaker, an amplifier and a sound signal source and illustrates a variety of possible uses of the alloy according to the invention according to a variety of different, possible embodiments of a respective component and / or device according to the invention.

1 shows an audio playback system with a loudspeaker 10, an amplifier 20 and an audio signal source 30, in which a copper-silver-gold alloy which - based on the total weight of the alloy - ≥ 99.70 wt. % to ≤ 99.98% by weight of copper, ≥ 0.01% by weight to ≤ 0.20% by weight of silver and ≥ 0.01% by weight to ≤ 0.10% by weight of gold , can be used.

1 illustrates that the speaker 10 has a speaker housing 11. In particular, three loudspeaker chassis with three voice coils 12, 13, 14 are mounted in the loudspeaker housing 11. The three aforementioned voice coils 12, 13, 14 in particular each have at least one electrical conductor, of which at least one electrical conductor can be formed from the alloy according to the invention. For example, the copper-silver-gold alloy can be in the form of a voice coil wire, for example with a diameter of approximately ≥ 0.1 mm to ≤ 2 mm.

1 further shows that the voice coils 12, 13, 14 are connected to a crossover 16 via a respective electrical line, in particular a respective internal wiring, for example via a voice coil crossover wiring 15, with the crossover 16 in turn via a further line or wiring , in particular an internal cabling, for example via a crossover speaker terminal cabling 17 is connected to a speaker terminal 18 or a connection socket. The respective voice coil crossover cabling 15 and/or the crossover 16 and/or the crossover speaker terminal cabling 17 and/or the loudspeaker terminal 18 or the respective electrical line, the respective electrical conductor and/or the respective conductor track can be the Include and/or have copper-silver-gold alloy. The respective voice coil crossover cabling 15 and/or the crossover speaker terminal cabling 17 can, for example, have a diameter of approximately ≥ 0.2 mm to ≤ 3 mm.

As can be seen from the 1 As can be easily seen, a wide variety of different components, in particular the electrical, electronic and/or electrotechnical components of the in. shown here at least partially, can be used for an Audi playback system 1 Audio playback system shown individually or several times or all have the alloy according to the invention. In particular, at least one electrical conductor and/or one electrical line is at least one of the components of the in 1 The audio playback system shown is made from the alloy according to the invention or includes this alloy. It should be noted that 1 shows a highly simplified schematic view of an audio reproduction system, where not all electrical, electronic and / or electrotechnical components are shown in all details, but at least some in respective simplified schematic representation. The electrical, electronic and/or electrotechnical components can also be referred to as electrical, electronic and/or electrotechnical “components”.

In the crossover 16, the copper-silver-gold alloy can be used, for example, as a conductive material, for example in the form of a foil, for example with a thickness of ≥ 20 µm to ≤ 200 µm, in the form of conductor tracks of a printed circuit board and / or for metallization, For example, a plastic film and/or a paper and/or another insulator can be used. The use of the alloy according to the invention in a capacitor and/or as a metal foil, for example with a thickness of ≥ 4 µm to ≤ 20 µm and/or a width of ≥ 5 mm to ≤ 100 mm, of a capacitor and/or also as, for example round or square wire of a coil, for example with a diameter or cross section of ≥ 0.4 mm to ≤ 5 mm, and / or as a foil coil, for example with a thickness of ≥ 10 µm to ≤ 100 µm and / or a width of ≥ 5 mm to ≤ 200 mm, and/or as an electrical conductor and/or as an addition to an electrical conductor in an ohmic resistance, for example a wire or film/foil resistor, and/or as solder is conceivable and possible.

As the above statements show, corresponding electrical, electronic and/or electrotechnical components, in particular the electrical conductors and/or electrical lines of at least one of the in 1 illustrated component of the audio playback system have the alloy according to the invention, in particular the respective electrical conductor and the respective electrical lines are or will be made from the alloy according to the invention. But other uses are also possible for the alloy according to the invention, for example as a solder, connecting element, terminal, flag, seat or the like.

For example, the copper-silver-gold alloy can also be used to make one or more soldering point(s) and/or connection element(s), for example strand(s), flag(s) and/or terminal(s) and/or socket(s), for example Connection of the voice coil(s) 12, 13, 14 and/or the respective voice coil crossover wiring 15 and/or the crossover 16 and/or the crossover speaker terminal wiring 17 and/or the speaker terminal 18, and/or switches (not shown in 1 ) be trained.

1 further shows that on the outside of the loudspeaker housing 11 a loudspeaker cable 19 is connected to the loudspeaker terminal 18, the loudspeaker cable 19 connecting the loudspeaker 10 to an amplifier 20 or the output stage of an amplifier 20. 1 shows that the speaker cable 19 is connected to an amplifier terminal 22, which is accessible from the outside of an amplifier housing 21. The speaker cable 19 and/or the amplifier terminal 22 can also comprise or have, for example, the copper-silver-gold alloy, in particular the electrical line of the respective cabling can have the alloy according to the invention.

1 also shows that the amplifier 20 also includes a circuit board 23 and, for example, two further elements 24, 25 and can be connected to the power network via a power cable 26 with a power cable plug 27. The circuit board 23 and/or the elements 24, 25 and/or the power cable 26 and/or the power cable plug 27 of the amplifier 20 can also comprise, for example, the copper-silver-gold alloy. The elements 24 and 25 can be designed as capacitors, for example. The corresponding design and/or arrangement of transformers and/or resistors are also conceivable, depending on the specific design of the amplifier 20. These aforementioned elements or components can also have the alloy according to the invention.

In the 1 The sound signal source 30 shown can be, for example, a CD player, a streamer, an audio converter, in particular a DAC, for example for a computer (PC), a smartphone, a mixer and, for example, also include the copper-silver-gold alloy.

The amplifier 20 can be connected to the sound signal source 30 via a signal source cable 28, for example an NF cable (LF = low frequency) or via radio. The signal source cable 28 can also include or have the copper-silver-gold alloy.

In the in 1 The respective components shown, for example here the cables 15, 17, 19, 26 and 28, can have the copper-silver-gold alloy, for example as a conductor and/or be used as a plug contact material and/or as solder when connecting them.

In the amplifier 20 and the sound signal source 30, the copper-silver-gold alloy can - analogous to the explanations in connection with the description of the loudspeaker 10 - in capacitors and / or coils and / or resistors and / or switches and / or circuit boards and /or connection elements, such as plugs and/or sockets.

In addition, the copper-silver-gold alloy can be used, for example, as a wire in audio and voltage transformers, for example with a diameter of ≥ 0.2 mm to ≤ 4 mm, and/or in microphones and/or pickups (pick-up), can be used in particular for instruments, for example for guitars, for example with a diameter of ≥ 0.01 mm to ≤ 0.2 mm.

Timbre analyses

To analyze the timbre of different metals and metal alloys, voice coils were made from the metals or metal alloys to be examined and installed one after the other in a loudspeaker. The timbres produced by the loudspeaker were then determined. Table 1: Comparative tests using a timbre analysis of a loudspeaker equipped with different voice coils made of copper, silver and alloys thereof No. Copper [wt.%] Silver [wt.%] Gold [wt.%] timbre 1 100 warm, familiar 2 100 cool, transparent 3 99.9 0.1 tight, throaty 4 99.9 0.07 0.03 warm, radiant, elastic (swing)

Table 1 shows that copper voice coil #1 resulted in a warm and familiar timbre, whereas silver voice coil #2 resulted in a cool and transparent timbre.

Voice coil No. 3 made of a copper-silver alloy of 99.9% copper and 0.1% silver by weight resulted in a tight, throaty tone.

Finally, Table 1 shows that voice coil No. 4 made of a copper-silver-gold alloy of 99.9% by weight silver, 0.07% by weight copper and 0.03% by weight gold surprisingly becomes warm , radiant and elastic timbre with “swing”.

From the aforementioned statements it follows that different electrical, electronic and/or electrotechnical components and/or electrical, electronic and/or electrotechnical components can have the aforementioned copper-silver-gold alloy. Capacitors, transistors or resistors in particular come into consideration here. In particular, the connection points/connecting wires of these components and/or components can be formed from the aforementioned copper-silver-gold alloy or can be made from this aforementioned alloy. In particular in the case of a capacitor, where, for example, the capacitor has a carrier element or an insulator element, such as a plastic film or a paper film, the carrier element or the insulator element is then in particular at least on one side with the aforementioned copper-silver-gold Alloy provided, in particular correspondingly metallized with the aforementioned copper-silver-gold alloy. In particular, a corresponding layer of the copper-silver-gold alloy in the above-mentioned alloy composition was then vapor-deposited onto the carrier element or onto the insulator element of the capacitor.

Reference symbol list

10

speaker

11

Speaker housing

12

voice coil

13

voice coil

14

voice coil

15

Voice coil crossover wiring

16

crossover

17

Crossover speaker terminal wiring

18

Speaker terminal

19

Speaker cable

20

Amplifier / power stage of an amplifier

21

Amplifier housing

22

Amplifier terminal

23

Circuit board

24

element

25

element

26

Power cord

27

Power cord plug

28

Signal source cable

30

Sound signal source

Claims (18)

Copper-silver-gold alloy for an electrical, electronic and/or electrotechnical component for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or transmission, where the alloy, based on the total weight of the alloy, ≥ 99.70% by weight to ≤ 99.98% by weight of copper, ≥ 0.01% by weight to ≤ 0.20% by weight of silver and ≥ 0.01% by weight to ≤ 0.10% by weight of gold and the mass fraction of silver is higher than the mass fraction of gold. Alloy according to Claim 1 , characterized in that the alloy, based on the total weight of the alloy, ≥ 99.85% by weight to ≤ 99.95% by weight of copper, ≥ 0.04% by weight to ≤ 0.10% by weight % silver and ≥ 0.01% by weight to ≤ 0.05% by weight of gold. Alloy according to Claim 1 or 2 , characterized in that the mass fraction of silver is at least twice as high as the mass fraction of gold. Alloy according to one of the Claims 1 until 3 , characterized in that, based on the total weight of the alloy, the sum of the mass fraction of silver and the mass fraction of gold is ≤ 1.00% by weight, in particular ≤ 0.50% by weight. Alloy according to one of the Claims 1 until 4 , characterized in that the alloy is designed for an electrical, electronic and/or electrotechnical component for music and/or speech playback, recording and/or processing, in particular for an audio playback system. Use of an alloy according to one of the Claims 1 until 5 in an electrical, electronic and/or electrotechnical component and/or in a device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction. Use after Claim 6 , characterized in that the alloy is used in an electrical, electronic and/or electrotechnical component and/or in a device for music and/or speech playback, recording and/or processing, in particular in an audio playback system . Use after Claim 6 or 7 , characterized in that the electrical, electronic and / or electrotechnical component is an inductive electronic component, in particular a coil, in particular a voice coil, and / or a capacitive electronic component, in particular a capacitor, and / or a circuit board and / or a switch, in particular a crossover, for example a circuit board of a crossover, and/or an ohmic resistor and/or a switch and/or a transformer, for example an audio and/or voltage transformer, and/or a solder and/or an electrical line, in particular an internal cabling or an external cabling or a cable, for example a speaker cable and/or a power cable, or a conductor track of a circuit board and/or a wire and/or a connecting element, for example for connecting a coil and/or a capacitor and/or for connecting a Circuit board and/or a switch, such as a frequency switch, and/or for connecting an ohmic resistor and/or a switch and/or for connecting a transformer, for example an audio and/or voltage transformer, and/or for connecting a Loudspeaker, and/or for connecting an amplifier and/or an audio signal source and/or for connecting a microphone and/or a pickup, in particular for an instrument, for example a guitar, and/or for connecting a mixing console, for example a terminal, for example a loudspeaker terminal and/or an amplifier terminal, and/or a terminal and/or a plug and/or a socket and/or a strand and/or a flag. Use after one of the Claims 6 until 8th , characterized in that the electrical, electronic and / or electrotechnical component is a component of a loudspeaker and / or an amplifier and / or a sound signal source and / or a microphone and / or a pickup, in particular for an instrument, for example for a guitar, and / or a mixing console and / or the electrical, electronic and / or electrotechnical device is a loudspeaker, and / or an amplifier and / or a sound signal source and / or a microphone and / or a pickup, in particular for an instrument, for example for a guitar , and/or a mixer. Electrical, electronic and/or electrotechnical component and/or device for sound reproduction and/or recording and/or for sound signal processing, output, reception and/or conduction, comprising an alloy according to one of Claims 1 until 5 . Electrical, electronic and/or electrotechnical component and/or device Claim 10 , characterized in that the electrical, electronic and/or electrotechnical component and/or device is an electrical, electronic and/or electrotechnical component and/or device for music and/or voice playback, recording and/or processing, in particular an audio playback system. Electrical, electronic and/or electrotechnical component and/or device Claim 10 or 11 , characterized in that the electrical, electronic and / or electrotechnical component is an inductive electronic component, in particular a coil, in particular a voice coil, and / or a capacitive electronic component, in particular a capacitor, and / or a circuit board and / or a switch, in particular a crossover, for example a circuit board of a crossover, and/or an ohmic resistor and/or a switch and/or a transformer, for example an audio and/or voltage transformer, and/or a solder and/or an electrical line, in particular an internal cabling or an external cabling or a cable, in particular a speaker cable or a power cable, or a conductor track of a circuit board and/or a wire and/or a connection element, for example for connecting a coil and/or a capacitor and/or for connecting a circuit board and /or a crossover, such as a crossover, and/or for connecting an ohmic resistor and/or a switch and/or for connecting a transformer, for example an audio and/or voltage transformer, and/or for connecting a loudspeaker, and/ or for connecting an amplifier and/or an audio signal source and/or a microphone and/or a pickup, in particular for an instrument, for example a guitar, and/or for connecting a mixer, for example a terminal, for example a sound intercom terminals and/or an amplifier terminal, and/or a terminal and/or a plug and/or a socket and/or a strand and/or a flag. Electrical, electronic and/or electrotechnical component and/or device according to one of the Claims 10 until 12 , characterized in that the electrical, electronic and / or electrotechnical component is a component of a loudspeaker, and / or an amplifier and / or a sound signal source and / or a microphone and / or a pickup, in particular for an instrument, for example a guitar, and / or a mixing console and / or the electrical, electronic and / or electrotechnical device is a loudspeaker, and / or an amplifier and / or a sound signal source and / or a microphone and / or a pickup, in particular for an instrument, for example for a guitar , and/or a mixer. Electrical, electronic and/or electrotechnical component and/or electrical, electronic and/or electrotechnical component, characterized in that the component and/or the component is a copper-silver-gold alloy according to one of the Claims 1 until 5 having. Component and/or component Claim 14 , characterized in that the component and/or the component is an electrical, electronic and/or electrotechnical component and/or an electrical, electronic and/or electrotechnical component for an audio playback system and/or part of an audio playback system. Component and/or component Claim 14 or 15 , characterized in that the component and/or the component is designed and/or designed as a capacitor, as a transistor or as a resistor. Part and/or component according to one of the Claims 14 until 16 , characterized in that a connection element and/or a connection wire and/or a connection point of the component and/or component, in particular the capacitor, the transistor or the resistor, is made from the copper-silver-gold alloy. Part and/or component according to one of the Claims 14 until 17 , characterized in that the component and/or the component is designed as a capacitor, that the capacitor has at least one carrier element and/or at least one insulator element, in particular a plastic film or a paper film, wherein the carrier element or the insulator element is metallized, namely the has the aforementioned copper-silver-gold alloy as a metallized layer.

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